Stefan Keller
Developer Info
Stefan Keller was founded in 2010. The first app was launched in December 9, 2010 and they have 6 iOS apps in August 2025
Stefan Keller is a publisher of Importer for Calendar app and other apps in Productivity, Utilities, Business categories.
- Founded in
- December 9, 2010
- Last App Updated
- 1 month ago (June 26, 2025)
- Company Website
- https://www.subclassed.com/
- Contacts
- Unlock
Popular Stefan Keller apps in 2025
Czechia
| Name | Category | Downloads (30d) | Monthly Revenue | Reviews | Ratings | Recent release | |
|---|---|---|---|---|---|---|---|
Importer for Calendar
家居设计小镇家庭
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Business |
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0
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1 month ago | |
Export Calendars Pro
Convert events to Excel + CSV
|
Business |
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0
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1 month ago | |
Export Contacts Pro
Save to CSV, Excel file, vCard
|
Productivity |
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0
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3 months ago | |
Importer for Contacts
Convert CSV + Excel to vCards
|
Productivity |
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0
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4 months ago | |
Exporter for Contacts 2
|
Utilities |
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0
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7 months ago | |
Exporter for Contacts
XLSX for Excel, CSV, vCard
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Utilities |
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0
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2 years ago |
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